CN204218887U - Visual venipuncture instrument - Google Patents
Visual venipuncture instrument Download PDFInfo
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- CN204218887U CN204218887U CN201420669578.1U CN201420669578U CN204218887U CN 204218887 U CN204218887 U CN 204218887U CN 201420669578 U CN201420669578 U CN 201420669578U CN 204218887 U CN204218887 U CN 204218887U
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- light source
- crossbeam
- lampshade
- venipuncture instrument
- visual venipuncture
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Abstract
This utility model relates to visual venipuncture instrument, wherein: optical filter is connected with video camera, lampshade is connected with crossbeam by sliding part, projector in lampshade is arranged on one end of crossbeam by screw, the other end of crossbeam is connected with rotating shaft, one end of column is connected with rotating shaft, and the other end of column is connected with base, and the switching of lower light source, louvre, light source by-pass cock, soft-off, pattern, lower light source switch, on and off switch, power source charges string holes are all arranged on base.This utility model utilizes infrared camera to catch the collection light path of vein image in real time according to infrared imaging principle design; Employing transmittance and reflectance two overlaps the method that near-infrared light source combines, and achieves the detection for different depth venous information; Thus obtain stable, continuously and clearly vein image, finally utilize image projection light path that the vein image after real time enhancing is projected to skin surface, finally realize vein image real-time visualization, and then at utmost facilitate the puncture procedure of health care workers.
Description
Technical field
This utility model relates to medical auxiliary apparatus, particularly relate to a kind of can the visual venipuncture instrument of venipuncture fast and accurately.
Background technology
Intravenous injection, venous blood collection and blood transfusion are one of important measures of rescue and treatment patient, are also a kind of extremely common medical procedure.But for the unconspicuous patient of some vein blood vessels, as: adiposis patient because subcutaneous fat is thicker, vein is comparatively dark, during venipuncture must tourniquet prick very tight; Edema patient covers due to its tissue edema, is not easy to see clearly and touch blood vessel, after tightening tourniquet, also need with puncture place of finger vascular compression, and action is quite rapid, otherwise local edema will cause again vein to see clearly; Age is little, disoperative child, usually needs the nurse that experience is enriched very much during venipuncture, and at least will prick 2 tourniquets; Peripheral circulatory failure patient, especially hemorrhagic shock patient, its Superficial veins is disappeared, and blood vessel subsides, and its venipuncture is very difficult.This situation causes very large puzzlement to medical personnel, often causes maloperation or repetitive operation, not only can cause doctor-patient dispute, even can incur loss through delay diagnosis and treatment opportunitys.
Summary of the invention
The purpose of this utility model is for above-mentioned deficiency and defect, provides a kind of visual venipuncture instrument of contactless, safety, no pain.For the child that the darker adiposis patient of vein, edema patient, vein are dark and the age is little, the needs that different patient detects can be met to the full extent, thus assist personnel realizes venipuncture procedure fast and accurately to the full extent.
This utility model is achieved through the following technical solutions above-mentioned purpose:
Visual venipuncture instrument, comprise a lampshade, wherein: lampshade inside is provided with projector, heat mirror, upper light source, video camera, optical filter, optical filter is connected with video camera, and lampshade is connected with crossbeam by sliding part, and the projector in lampshade is arranged on one end of crossbeam by screw, the other end of crossbeam is connected with rotating shaft, one end of column is connected with rotating shaft, and the other end of column is connected with base, and column is rotationally connected by rotating shaft and crossbeam; The switching of lower light source, louvre, light source by-pass cock, soft-off, pattern, lower light source switch, on and off switch, power source charges string holes are all arranged on base.
Visual venipuncture instrument, wherein: video camera refers to the B/W camera can responding near infrared light, is more suitable for gathering image under infrared ray and picture quality is high, signal stabilization, and then improves the image quality of vein image acquisition system.
Visual venipuncture instrument, wherein: upper light source adopts wavelength to be the pinned LED of 850nm, lower light source employing wavelength is the surface mounting high-power LED of 850nm, and the image medium vessels lines got is clear, vein and its surrounding tissue contrast high, shadow-free or speck etc. in image.
Visual venipuncture instrument, wherein: optical filter selects 850nm optical filter, the optical filter that heat mirror selects more than 650nm to end, does not affect passing through of infrared light again while filtering visible ray.
Visual venipuncture instrument, wherein: regulate light source by-pass cock adjustable light sources strong and weak, switch by pattern and can deepen vein blood vessel pattern, blood flow is many, and blood vessel display is clear, and presses 1:1 display, the depth of distinguishable vein blood vessel and epidermis, is conducive to doctor's venipuncture.
Visual venipuncture instrument, wherein: camera optical axis is vertical with projector optical axis, the angle between heat mirror and two optical axises is 45 °, realizes vein image real-time visualization.
Visual venipuncture instrument, wherein: lampshade can be slided on crossbeam by sliding part, crossbeam can rotate in rotating shaft, can accurately determine venous locations and be applicable to different crowd.
Visual venipuncture instrument, wherein: base adopts the design of front and rear casing equal dies, saves die cost.
The utility model has the advantages that: utilize infrared camera to catch the collection light path of vein image in real time according to infrared imaging principle design; Employing transmittance and reflectance two overlaps the method that near-infrared light source combines, and achieves the detection for different depth venous information; Utilize the dynamic definite threshold of statistics with histogram method improved, realize the preliminary extraction of vein, and by morphological image process and median filtering operation, improve the connectedness of vein and eliminate burr and noise, and utilize the weighting process of consecutive image, eliminate the flating caused due to factors such as noise light photograph, thus obtain stablize, continuously and clearly vein image; Finally utilize image projection light path that the vein image after real time enhancing is projected to skin surface, finally realize vein image real-time visualization, and then at utmost facilitate the puncture procedure of health care workers.
Accompanying drawing explanation
Fig. 1 is visual venipuncture instrument structural representation of the present utility model;
Fig. 2 is visual venipuncture instrument top view of the present utility model;
Fig. 3 is visual venipuncture instrument imaging schematic diagram of the present utility model;
Reference numeral: lampshade 1, projector 2, heat mirror 3, upper light source 4, lower light source 5, video camera 6, optical filter 7, the back of the hand 8, crossbeam 9, rotating shaft 10, column 11, base 12, projecting lamp move lock screw 13, louvre 14, light source by-pass cock 15, soft-off 16, lower light source switch 17, pattern switching 18, on and off switch 19, power source charges string holes 20.
Detailed description of the invention
Embodiment 1, visual venipuncture instrument, comprise a lampshade 1, wherein: lampshade 1 inside is provided with projector 2, heat mirror 3, upper light source 4, video camera 6, optical filter 7, optical filter 7 is connected with video camera 6, lampshade 1 is connected with crossbeam 9 by sliding part, projector 2 in lampshade 1 is arranged on one end of crossbeam 9 by screw 13, the other end of crossbeam 9 is connected with rotating shaft 10, one end of column 11 is connected with rotating shaft 10, the other end of column 11 is connected with base 12, and column 11 is rotationally connected by rotating shaft 10 and crossbeam 9; Lower light source 5, louvre 14, light source by-pass cock 15, soft-off 16, lower light source switch 17, pattern switching 18, on and off switch 19, power source charges string holes 20 are all arranged on base 12.
Embodiment 2, visual venipuncture instrument, wherein: video camera 6 refers to the B/W camera can responding near infrared light, be more suitable for gathering image under infrared ray and picture quality is high, signal stabilization, and then improve the image quality of vein image acquisition system.All the other are with embodiment 1.
Embodiment 3, visual venipuncture instrument, wherein: upper light source 4 adopts wavelength to be the pinned LED of 850nm, lower light source 5 adopts wavelength to be the surface mounting high-power LED of 850nm, the image medium vessels lines got is clear, vein and its surrounding tissue contrast high, shadow-free or speck etc. in image.All the other are with embodiment 1.
Embodiment 4, visual venipuncture instrument, wherein: optical filter 7 selects 850nm optical filter, the optical filter that heat mirror 3 selects more than 650nm to end, does not affect passing through of infrared light again while filtering visible ray.All the other are with embodiment 1.
Embodiment 5, visual venipuncture instrument, wherein: regulate light source by-pass cock 15 adjustable light sources strong and weak, switch 18 by pattern and can deepen vein blood vessel pattern, blood flow is many, and blood vessel display is clear, and presses 1:1 display, the depth of distinguishable vein blood vessel and epidermis, is conducive to doctor's venipuncture.All the other are with embodiment 1.
Embodiment 6, visual venipuncture instrument, wherein: video camera 6 optical axis is vertical with projector 2 optical axis, the angle between heat mirror 5 and two optical axises is 45 °, realizes vein image real-time visualization.All the other are with embodiment 1 or 4.
Embodiment 7, visual venipuncture instrument, wherein: lampshade 1 can be slided on crossbeam 9 by sliding part, crossbeam 9 can rotate in rotating shaft 10, can accurately determine venous locations and be applicable to different crowd.All the other are with embodiment 1.
Embodiment 8, visual venipuncture instrument, wherein: base 12 adopts front and rear casing equal dies to design, save die cost.All the other are with embodiment 1.
The operation principle of this utility model visual venipuncture instrument:
By the position of regulating lampshade 1 and crossbeam 7, find the best vein camera position of the back of the hand 8, the infrared light in light path of photography is by being reflected during heat mirror 3, thus camera being shot 6 takes in imaging; Become vein image by direct transmission during heat mirror 3, thus is projected to the skin surface of the back of the hand 8 by other band of light in projecting light path by projector 2.
Claims (8)
1. visual venipuncture instrument, comprises a lampshade (1), it is characterized in that: lampshade (1) inside is provided with projector (2), heat mirror (3), upper light source (4), video camera (6), optical filter (7); Optical filter (7) is connected with video camera (6), lampshade (1) is connected with crossbeam (9) by sliding part, projector (2) in lampshade (1) is arranged on one end of crossbeam (9) by screw (13), the other end of crossbeam (9) is connected with rotating shaft (10), one end of column (11) is connected with rotating shaft (10), the other end of column (11) is connected with base (12), and column (11) is rotationally connected by rotating shaft (10) and crossbeam (9); Lower light source (5), louvre (14), light source by-pass cock (15), soft-off (16), lower light source switch (17), pattern switching (18), on and off switch (19), power source charges string holes (20) are all arranged on base (12).
2. visual venipuncture instrument according to claim 1, is characterized in that: video camera (6) refers to the B/W camera can responding near infrared light.
3. visual venipuncture instrument according to claim 1, is characterized in that: upper light source (4) adopts wavelength to be the pinned LED of 850nm, and lower light source (5) employing wavelength is the surface mounting high-power LED of 850nm.
4. visual venipuncture instrument according to claim 1, is characterized in that: optical filter (7) selects 850nm optical filter, and heat mirror (3) selects the optical filter of 650nm.
5. according to the visual venipuncture instrument described in claim 1, it is characterized in that: regulate light source by-pass cock (15) adjustable light sources strong and weak, switch by pattern the definition that (18) can regulate pattern displaying.
6. the visual venipuncture instrument according to claim 1 or 4, is characterized in that: video camera (6) optical axis is vertical with projector (2) optical axis, and the angle between heat mirror (3) and two optical axises is 45 °.
7. visual venipuncture instrument according to claim 1, is characterized in that: lampshade (1) can by sliding part in the upper slip of crossbeam (9), and crossbeam (9) can in the upper rotation of rotating shaft (10).
8. visual venipuncture instrument according to claim 1, is characterized in that: base (12) adopts the design of front and rear casing equal dies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420669578.1U CN204218887U (en) | 2014-11-12 | 2014-11-12 | Visual venipuncture instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420669578.1U CN204218887U (en) | 2014-11-12 | 2014-11-12 | Visual venipuncture instrument |
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| Publication Number | Publication Date |
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| CN204218887U true CN204218887U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420669578.1U Active CN204218887U (en) | 2014-11-12 | 2014-11-12 | Visual venipuncture instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104323760A (en) * | 2014-11-12 | 2015-02-04 | 张晋瑞 | Visualized vein puncturing instrument |
| CN105997013A (en) * | 2016-07-29 | 2016-10-12 | 河南驼人医疗器械集团有限公司 | Vein displayer |
| CN108143489A (en) * | 2017-12-15 | 2018-06-12 | 泗洪县正心医疗技术有限公司 | A kind of mold for based on body surface vein pattern puncture navigation and preparation method thereof |
| CN109700435A (en) * | 2019-01-28 | 2019-05-03 | 上海得舟信息科技有限公司 | A kind of projection intravenous angiography device and its image processing method |
-
2014
- 2014-11-12 CN CN201420669578.1U patent/CN204218887U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104323760A (en) * | 2014-11-12 | 2015-02-04 | 张晋瑞 | Visualized vein puncturing instrument |
| CN105997013A (en) * | 2016-07-29 | 2016-10-12 | 河南驼人医疗器械集团有限公司 | Vein displayer |
| CN108143489A (en) * | 2017-12-15 | 2018-06-12 | 泗洪县正心医疗技术有限公司 | A kind of mold for based on body surface vein pattern puncture navigation and preparation method thereof |
| CN109700435A (en) * | 2019-01-28 | 2019-05-03 | 上海得舟信息科技有限公司 | A kind of projection intravenous angiography device and its image processing method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |